gdk_pixbuf: add post-install script for loaders.cache update

x11-libs/gdk-pixbuf/additional-files/update_loaders_cache.sh

@@ -0,0 +1,4 @@
+#!/bin/sh
+SETTINGS_DIR=`finddir B_SYSTEM_SETTINGS_DIRECTORY`/gdk-pixbuf-2.0
+mkdir -p $SETTINGS_DIR
+gdk-pixbuf-query-loaders >$SETTINGS_DIR/loaders.cache

x11-libs/gdk-pixbuf/gdk_pixbuf-2.42.2.recipe

@@ -9,10 +9,13 @@ GdkRGB buffers.
 HOMEPAGE="https://wiki.gnome.org/Projects/GdkPixbuf"
 COPYRIGHT="1999-2020 Gnome Project"
 LICENSE="GNU LGPL v2.1"
-REVISION="6"
+REVISION="7"
 SOURCE_URI="https://download.gnome.org/sources/gdk-pixbuf/${portVersion%.*}/gdk-pixbuf-$portVersion.tar.xz"
 CHECKSUM_SHA256="83c66a1cfd591d7680c144d2922c5955d38b4db336d7cd3ee109f7bcf9afef15"
 SOURCE_DIR="gdk-pixbuf-$portVersion"
+ADDITIONAL_FILES="
+	update_loaders_cache.sh
+	"
 
 ARCHITECTURES="all !x86_gcc2"
 SECONDARY_ARCHITECTURES="x86"
@@ -20,6 +23,13 @@ SECONDARY_ARCHITECTURES="x86"
 libVersion="0.4200.2"
 libVersionCompat="$libVersion compat >= ${libVersion%%.*}"
 
+GLOBAL_WRITABLE_FILES="
+	settings/gdk-pixbuf-2.0/loaders.cache keep-old
+	"
+POST_INSTALL_SCRIPTS="
+	$relativePostInstallDir/update_loaders_cache.sh
+	"
+
 PROVIDES="
 	gdk_pixbuf$secondaryArchSuffix = $portVersion
 	cmd:gdk_pixbuf_csource$secondaryArchSuffix = $portVersion
@@ -105,9 +115,14 @@ INSTALL()
 {
 	ninja -C build install
 
-	# rebuild loaders cache
-	export LIBRARY_PATH=$LIBRARY_PATH:$libDir
-	$binDir/gdk-pixbuf-query-loaders > $libDir/gdk-pixbuf-2.0/2.10.0/loaders.cache
+	# move loaders.cache to settings dir
+	mkdir $settingsDir/gdk-pixbuf-2.0
+	mv $libDir/gdk-pixbuf-2.0/2.10.0/loaders.cache $settingsDir/gdk-pixbuf-2.0
+	ln -s $settingsDir/gdk-pixbuf-2.0/loaders.cache $libDir/gdk-pixbuf-2.0/2.10.0/loaders.cache
+	# postinstall script for rebuild loaders.cache
+	mkdir -p $postInstallDir
+	cp $portDir/additional-files/update_loaders_cache.sh $postInstallDir
+	chmod +x $postInstallDir/update_loaders_cache.sh
 
 	prepareInstalledDevelLib \
 		libgdk_pixbuf-2.0